Industry News
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What is the impact of hot corrosion on high-voltage motors?
Hot corrosion is a severe form of corrosion that occurs at elevated temperatures, often in the presence of molten salts and/or sulfur-containing gases. When applied to high-voltage induction motors, this phenomenon can have detrimental effects on the motor’s performance and lifespan. Here ...Read More -
What is sealed bearing of AC Induction motor?
Sealed bearings are a type of bearing of the three phase asynchronous induction motors that has been designed to prevent the ingress of contaminants, such as dirt, dust and moisture, while also preventing the leakage of the lubricant contained within. This is achieved by the use of seals, which a...Read More -
What are the differences between IC411 and IC416 Cooling Methods?
IC411 and IC416 are two common cooling methods for three phase asynchronous induction motors. They differ in how they cool and what they are best for. IC411 Cooling Method Self-ventilated: The motor has a built-in fan that rotates with the motor shaft, drawing in ambient air to cool the motor. ...Read More -
What is the VPI processing of motors?
The three-phase asynchronous electric motor is a device that transforms electrical energy into mechanical energy, facilitating a wide range of applications across various industries, from household appliances to heavy machinery. Consequently, the efficiency and reliability of an electric motor ar...Read More -
What are the differences between rolling bearings and sliding bearings?
In the context of mechanical components of three phase asynchronous motor, bearings are of vital importance in facilitating movement and supporting loads. The two main types of bearings are rolling bearings and plain bearings, each with distinctive characteristics that affect their performance in...Read More -
What are the differences between the motor working system: S1 and S3?
Three phase asynchronous Electric motors play a crucial role in a myriad of machinery and equipment, transforming electrical energy into mechanical energy to perform work. The efficiency and efficacy of a motor are predominantly determined by its operational system, which refers to the motor̵...Read More -
Why the bearing of motor heat up? And how to solve it?
The motor (asynchronous motor) bearing heating is a common and hazardous failure of rotating equipment. It has the potential to reduce the service life of the bearing and increase maintenance costs. Furthermore, when the temperature rises faster and exceeds the standard, it can lead to unplanned ...Read More -
Why do we need differential protection on high voltage motors?
Motor differential protection represents a fundamental safety mechanism, predominantly deployed in the context of medium and large motors operating within high-voltage grids. This protection scheme is of critical importance in ensuring the reliability and efficiency of motor operation, as it refl...Read More -
Why do motor lead wires have heating problems?
Currently, three phase induction ac motor lead wires represent a crucial element of the electrical configuration of the motor product, encompassing the domains of electrical insulation and conductive issues. Theoretically, provided that the current density selection and installation are in accord...Read More -
Wolong Nanyang Explosion Protection: What is the procedure for maintaining and overhauling the current transformer (CT)?
(A) After installing the CT for the explosion-proof induction motor, it is essential to conduct regular inspections of the current transformer (CT). These inspections should include a visual examination, wiring assessment, and insulation resistance measurement. The visual inspection is crucial to...Read More -
Wolong Nanyang Explosion Protection: What should you pay attention to when installing and using current transformers（CT）?
It is essential to consider a number of key factors when installing and using current transformers (CTs) in order to guarantee optimal performance and safety. The location of the current transformer should be selected based on the specific measurement and protection requirements. It is therefore ...Read More -
The impact of rotor serrations on motor performance
In the world of three phase electric motors, the design and condition of the rotor play a vital role in overall performance. An important aspect to consider is the presence of serrations or twists in the rotor slots, especially when comparing slotted rotors to closed slot rotors. For slotted roto...Read More